Build your own accurate Alarm Clock with Freetronics

Apart from writing some excellent Arduino libraries for our Dot Matrix Display andDS3232 real-time clock module, Rhys Weatherley has published the design and code for an alarm clock with several features:

Apart from the time and date, it has various alarms including weekday and weekend, an external MOSFET control to power a radio and much more. Although building your own alarm clock may seem simple, it gives you a chance to design it exactly how you want it to behave – and that is one of the goals of doing it yourself. So to get started, check out Rhys’ site here. To get started with your own alarm clock, consider using our Freetronics Eleven, super-accurate real-time clock module and LCD Keypad shield:


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